.root {
    -fx-font-family: "微软雅黑";
    -fx-font-size: 16px;
    -fx-background-image: url(./images/icon.png);
    /*-fx-background-color: gray;*/
    -fx-background-size: stretch stretch;
    -fx-background-position: center center;
}


.button {
    -fx-pref-height: 20px;
    -fx-pref-width: 150px;
    -fx-border-radius: 20;
    -fx-background-color: #0066CC;
    -fx-text-alignment: center;
    -fx-font-size: 25px;
    -fx-text-fill: white;
}
.label {
    -fx-font-size: 20px;
    -fx-alignment: right ;
    -fx-text-alignment: right;
}
.text-field {
    -fx-pref-width: 20px;
    -fx-font-size: 20px;
}